A string of LED loads is supplied by means of a rectified mains voltage. A cathode of each LED load is coupled to ground by means of a string. The strings are made conductive and non-conductive one by one in dependency of the instantaneous value of the rectified mains using both voltage and current sensing.
申请公布号
WO2012168827(A3)
申请公布日期
2013.05.30
申请号
WO2012IB52687
申请日期
2012.05.30
申请人
KONINKLIJKE PHILIPS ELECTRONICS N.V.;TAO, HAIMIN;KAHLMANN, HENRICUS MARIUS JOSEPH MARIA;BLANKEN, PIETER GERRIT;KURT, RALPH
发明人
TAO, HAIMIN;KAHLMANN, HENRICUS MARIUS JOSEPH MARIA;BLANKEN, PIETER GERRIT;KURT, RALPH